North American Mechanical, Inc. is Wisconsin's premier Mechanical Contractor. With over 40 years of experience in design, fabrication, installation, control and service, we are the most trusted partner for your building's mechanical systems. NAMI is part of Comfort Systems USA (CSUSA), a publicly owned, nationally recognized provider of mechanical systems and services.
Our construction team of nearly 200 trade professionals have the experience and capability to install mechanical systems of all types and sizes. From the most complex laboratory ventilation system to a simple restroom addition, we strive to provide exceptional quality and exceed expectations.
We understand the work doesn't end when the last piece of pipe or duct is installed. Our fully documented post-construction services review the entire mechanical system and provide the customer with a detailed, comprehensive operations and maintenance manual to be used throughout the life of the system.
NAMI's in-house staff of professionals offer expert engineering and design services. Our engineering group averages 30+ years of experience in consulting and construction and we are licensed to practice in Wisconsin and beyond. We also integrate engineering into our Service Department for seamless review and analysis of systems, sizing of replacement equipment, and design of small projects. NAMI emphasizes collaboration with Building Owners, Architects, Engineers, General Contractors, CMs and other construction trades.